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IQF Tunnel Freezers

Our IQF tunnel freezer quickly freezes your shrimp and other small, delicate products.

The Carsoe IQF tunnel freezer operates according to the vertical blowing principle. This tunnel freezer is designed for individual freezing of small products, such as shell-on shrimps and other delicate products.

It is worth noting that our IQF tunnel freezer is designed to form part of an automatic processing line, and therefore easy to implement into existing processing lines.

How does it work?

Tunnel freezing process

The product moves through the machine on a conveyor and is led past axial fans. The fans blow the air through an evaporator generating an air temperature of below -30°c.

A quick freezing with a product temperature down to -18°c is achieved with this IQF tunnel freezer.

The cabinet in the IQF freezer is made of modules with polyurethane insulation, ensuring that no hot air enters the freezer and no cold air gets out. The conveyor frame is made of stainless steel, whereas the belt is made of fda-approved materials.

The open IQF-design facilitates a cleaning that meets even the strictest veterinary demands.

3 key features

Design of the IQF tunnel freezer


Pvc-coated or stainless steel polyurethane panels. Stainless steel floor with drain for cleaning. Access through freezing room door with heating conductor in frame.


Stainless steel frame. Modular conveyor belt in easy-to-clean fda-approved plastic.


Hot-dip galvanized fined tube evaporators.

Get the facts

Technical data of IQF freezers


  • Principle: High velocity, vertical blowing
  • Inlet temperature: 8°c
  • Outlet temperature: -18°c
  • Freezing time: Adjustable
  • Air temperature: -30°c
  • Coolant (pump system): R-717, R22
  • Defrosting: Water or hot gas
  • Belt cleaning: Belt washing system
  • Evaporating temp.: -40°c at evaporator


Want to know more?

Contact us and let us work together to find the optimal solution for your vessel.

Søren Hansen5

Søren Hansen

Area Sales Manager - Seafood processing

+45 30 11 26 85

Leif Andersen

Senior Sales Manager

+45 40 13 81 82
Jeppe Christensen Sales Manager Seafood Carsoe

Jeppe Christensen

Group Sales Director - Seafood Processing

+45 27 57 43 79